What percent of plants are polyploids?
a. 20
b. 35
c. 50
d. 70
e. 90
D
Biology & Microbiology
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Which type of media is designed to support the growth of one group of organisms, but not another, by containing antimicrobials, dyes, or alcohol?
a. Selective b. Nutritive c. Differential d. Definitive
Biology & Microbiology
In what way are all amino acids similar?
a. They all have an amino group. b. They all have a carboxyl group. c. They all have a distinctive side chain. d. All of the above.
Biology & Microbiology
If short hair (L) is dominant to long hair (l), animals
LL and Ll have the same a. parents. b. genotypes. c. phenotypes. d. alleles. e. genes.
Biology & Microbiology
An x-shaped appearance of chromosomes during the process of meiosis provides evidence of
a. irradiation damage. b. crossing over. c. chromosomal aberration. d. fertilization. e. spindle fiber formation.
Biology & Microbiology